Mostly boys · Hawaiian, Frisian, Chinese

Kai

“sea; warrior; triumph”

Say it KYPronunciation may vary by region.

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A little maybe, saved for later.

The story behind the name

Meet Kai.

Kai is an internationally flexible name with many possible origins and meanings, growing in popularity in the US and a diverse range of European countries.

In the US, the name Kai is most commonly referred to as being of Hawaiian derivation, meaning "sea." In Europe, Kai is largely considered to have Frisian origin as a diminutive of the name Kaimbe, meaning "warrior", or as a short form of Gerard "brave spear".

Kai is also found as an independent name in African, Chinese, Turkish and Native American cultures. Kai is a strong, evocative multi-cultural name that packs a lot of power in its single syllable.

A little perspective

How popular is Kai?

United States · 2025
Girls · 2025#1,054234 recorded births
Boys · 2025#933,768 recorded births

Recorded US births over time

201420255,3740
● Girls● Boys
View the numbers behind the chart
YearCategoryUS rankBirths
2025Boys933,768
2025Girls1,054234
2024Boys764,301
2024Girls1,132214
2023Boys614,976
2023Girls940282
2022Boys595,374
2022Girls791358
2021Boys704,641
2021Girls770371
2020Boys933,867
2020Girls793344
2019Boys1003,744
2019Girls809338
2018Boys1123,463
2018Girls854318
2017Boys1263,158
2017Girls809338
2016Boys1452,895
2016Girls879320
2015Boys1452,852
2015Girls888311
2014Boys1772,411
2014Girls989270

Rankings are calculated separately for boys and girls. Records below the publication threshold may be missing; gaps are not zero births.

A few ways to make it theirs.

Nicknames

No nicknames are listed yet. The name can stand beautifully on its own.

Variations & related forms

KájaKájinKajKye

Keep the possibilities coming

If you love Kai…

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